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Re: Error when compiling a large file

From: ArnoldTheresius
Subject: Re: Error when compiling a large file
Date: Mon, 25 Feb 2013 04:26:31 -0800 (PST)

Miguel Jesus wrote
> ArnoldTheresius wrote
>> Miguel Jesus wrote
>>> I finally got the file to compile. I had to set the LILYPOND_GC_YIELD to
>>> 100. Anyone knows why it worked that way and not the default one?
>>> Anyway, it took 700 seconds to compile, which is a lot more that it took
>>> you. As you said, I only saw 1 CPU being used. Can lilypond use more
>>> than 1 CPU to make things faster?
>>> ...
>>> _______________________________________________
>>> bug-lilypond mailing list

>>> bug-lilypond@

>>> https://lists.gnu.org/mailman/listinfo/bug-lilypond
>> Well, I did try to compile it on Win7/64 with several different settings
>> to LILYPOND_GC_YIELD (100, 70, 50, 35, 25, 18, 13, 9, 7, 1). All trials
>> faild at my setup. The "commited memory usage" for the 32bit Lilypond
>> process displayed in the taks manager was approx. 1.3 GB in all processes
>> at the time they failed, which is much away from the 4 GB 32bit
>> applications can reach under 64bit-Windows (3 GB under 32bit-Windows).
>> I wonder, if there is a software limit for the heap in guile.
>> ArnoldTheresius
> Actually, the memory usage for my file when it crashed was also 1.3 GB and
> there are more people reporting that value. Could that be a coincidence?

I checked the windows execution flags, namely of lilypond.exe and
lilypond-windows.exe. They are NOT LARGEADDRESSAWARE, thus limited to 2 GB
of RAM on windows.
Assuming the source code is large-address-aware, I modified this flag by
using editbin from my Visual C installation.
During the successfull compilation I noticed approx. 2.4 GB of commited RAM
usage in the task manager.


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